Geometry
Triangles
Geometry2
Operations
Properties
100
An angle that measures greater than 0˚ and less than 90˚.
What is an acute angle.
100
A triangle having all sides and angles that are equal.
What is an equilateral triangle.
100
Lines in a plane that do not intersect.
What are parallel lines.
100
Found by dividing the sum of the set by the number of addends.
What is mean/average.
100
The property that states that when the grouping of addends is changed, the sum is the same. (5 + 8) + 4 = 5 + (8 + 4)
What is Associative Property of Addition.
200
A polygon with eight sides.
What is octagon.
200
A triangle with two sides and angles that are equal.
What is an isosceles triangle.
200
A figure formed by two rays that meet at a common endpoint.
What is an angle.
200
A number with one or more digits to the right of the decimal point.
What is a decimal.
200
The property that states that when the order of two or more addends is changed, the sum is the same. 4 + 5 = 5 + 4
What is Commutative Property of Addition.
300
An angle whose measure is 180°.
What is straight angle or line.
300
A triangle having no equal sides or angles.
What is a scalene triangle.
300
A part of a line; it begins at one endpoint and extends forever in one direction.
What is a ray.
300
Rules for performing operations in expressions with more than one operation. (), exponents, X, ÷, +, -
What is order of operations.
300
The property that states that when you add a zero to a number, the result is that number. 4 + 0 = 4
What is the identity Property of Addition.
400
An angle that measures greater than 90° and less than 180°.
What is obtuse angle.
400
A polygon with three sides.
What is a triangle.
400
Having the same size and shape.
What is congruent.
400
A number that shows how many times the base is used as a factor.
What is an exponent.
400
The property that states that the way factors are grouped does not change the product. (2 x 3) x 4 = 2 x (3 x 4) 6 x 4 = 2 x 12 24 = 24
What is the Associative Property of Multiplication.
500
An angle that forms a square corner and has a measure of 90°
What is right angle.
500
A pyramid that has a triangular base and three triangular faces.
What is a triangular pyramid.
500
A line that can separate a figure into two congruent parts.
What is line symmetry.
500
The number or item that occurs most often in a set of data.
What is mode.
500
The property that states that the product of any number and 1 is that number. 9 x 1 = 1 x 9
What is the Identity Property of Multiplication.
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